SLASF74 August   2024 TAS2574

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Pin Configuration and Functions
  6. 5Revision History
  7. 6Device and Documentation Support
    1. 6.1 Documentation Support
      1. 6.1.1 Related Documentation
    2. 6.2 Receiving Notification of Documentation Updates
    3. 6.3 Support Resources
    4. 6.4 Trademarks
    5. 6.5 Electrostatic Discharge Caution
    6. 6.6 Glossary
  8. 7Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
  • YCG|36
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Pin Configuration and Functions

TAS2574 Package Top Level View Pinout Figure 4-1 Package Top Level View Pinout
Pin Functions
PIN Type1 DESCRIPTION
NAME NO.
AD1 B4 I I2C address pin LSB.
AD2 B5 I I2C address pin LSB+1.
BGND D1 P Boost ground. Connect to PCB GND plane strongly with multiple vias.
D2
D3
DREG A6 P Digital core voltage regulator output. Bypass to GND with a capacitor. Do not connect to external load.
FSYNC A2 I I2S word clock or TDM frame sync.
GREG F4 P High-side gate CP regulator output. Do not connect to external load.
GND A3 P Digital ground. Connect to PCB GND plane. Strong connection to ground plane required through multiple vias.
C2
C5
IOVDD A4 P 1.2V or 1.8V Digital IO supply. Decouple to GND with capacitor.
IRQZ B3 O Open drain, active low interrupt pin. Pull up to IOVDD with resistor if optional internal pullup is not used.
OUT_N F5 O Class-D negative output.
OUT_P F6 O Class-D positive output.
PGND D4 P Class-D Power stage ground. Connect to PCB GND plane strongly through multiple vias.
D5
D6
E4
PVDD F1 P Integrated boost output and Class-D power stage supply.
F2
F3
SBCLK A1 I I2S/TDM serial bit clock.
SCL B6 I I²C Clock Pin. Pull up to IOVDD with a resistor.
SDA A5 I/O I²C Data Pin. Pull up to IOVDD with a resistor.
SDIN B2 I I2S or TDM serial data input.
SDOUT B1 I/O I2S or TDM serial data output.
SDZ C3 I Active low hardware shutdown.
SW E1 P Boost converter switch input.
E2
E3
VBAT C1 P Battery power supply input. Connect to 2.5V to 5.5V supply and decouple with a capacitor.
VBAT_SNS C4 I Battery sense terminal. Connect to 1S or 2S battery supply for remote battery sensing. Ground the pin if remote sensing is not used.
VDD C6 P Analog, digital power supply. Connect to 1.8V supply and decouple to GND with capacitor.
VSNS_N E5 I Voltage sense negative input. Connect to speaker negative terminal as close to speaker as possible. Add series resistor if EMI filter is used.
VSNS_P E6 I Voltage sense positive input. Connect to speaker positive terminal as close to speaker as possible. Add series resistor if EMI filter is used.
  1. I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power.